How to normalize a plot ?

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Snapshot83
Snapshot83 il 10 Mar 2016
Commentato: Snapshot83 il 10 Mar 2016
Hi, can anybody help me to understand how to normalize a spectrum ? I have a spectra and I want to obtain its area equal to 1. Thanks in advance.

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Jan
Jan il 10 Mar 2016
If you want the area to be 1.0, create the sum over the spectrum and divide the values by the result.
spectrum = rand(1, 100); % Example data
normalized = spectrum / sum(spectrum);
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Snapshot83
Snapshot83 il 10 Mar 2016
Thank you for your reply. What does it mean sum ? How I should proceed if I have value in x and y coloumns ?

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